Field glossary

Cleanout

A capped access fitting on a drain line; a missing or loose plug is a direct opening for sewer gas

Used across 3 Anvilfield field guides, most in Plumbing.

Also defined as

Concrete: An opening cut at the base of a grouted cell to clear droppings and inspect the grout on a high-lift pour
The capped access fitting you run a cable or hose through

Where this shows up